Electronic device including interposer

1. An electronic device comprising: a first circuit board having a first connection terminal formed thereon; an application processor (AP) connected to the first connection terminal and disposed on the first circuit board; an interposer having a via formed therein and having a first surface attached to the first circuit board, the interposer at least partly surrounding at least a partial region of the first circuit board and a first end portion of the via being electrically connected to the first connection terminal; a second circuit board having a second connection terminal formed thereon and attached to a second surface of the interposer that is opposite to the first surface, the second connection terminal being electrically connected to a second end portion of the via and the second circuit board forming an inner space together with the first circuit board and the interposer; a communication processor (CP) connected to the second connection terminal and disposed on the second circuit board; and an antenna electrically connected to the CP, wherein the interposer further has a plating member, wherein the plating member is formed on an upper surface, a side surface, and a lower surface of the interposer, wherein the plating member and the via are connected to each other, wherein the interposer comprises at least two plating members and a plurality of vias, wherein a first of the at least two plating members is connected to a first via of the plurality of vias and a second of the at least two plating members is connected to a second via of the plurality of vias, and wherein each of the at least two plating members comprise a ‘ ’ shape.

2. The electronic device of claim 1 , wherein a third connection terminal electrically connected to the second connection terminal is formed on an upper portion of the second circuit board.

3. The electronic device of claim 2 , further comprising a third circuit board having a fourth connection terminal formed thereon and a fifth connection terminal formed thereon and electrically connected to the fourth connection terminal, wherein the fifth connection terminal is electrically connected to the antenna.

4. The electronic device of claim 3 , further comprising a connector electrically connecting between the third connection terminal and the fourth connection terminal.

5. The electronic device of claim 3 , wherein a battery is disposed between the second circuit board and the third circuit board.

6. The electronic device of claim 1 , wherein a shield member is disposed on the second surface of the first circuit board.

7. The electronic device of claim 1 , wherein a first pad electrically connected to the first connection terminal of the first circuit board is formed on a lower portion of the via, and wherein a second pad electrically connected to the second connection terminal of the second circuit board is formed on an upper portion of the via.

8. The electronic device of claim 1 , wherein the second circuit board comprises a third surface coming in contact with the interposer and a fourth surface that is opposite to the third surface, and wherein a shield member is disposed on the fourth surface of the second circuit board.

9. The electronic device of claim 1 , wherein the plating member is provided on the side surface of the interposer.

10. The electronic device of claim 1 , wherein at least one interposer is provided, and wherein the at least one interposer is separated through at least one slit.

11. The electronic device of claim 1 , wherein the via comprises: a hole formed to penetrate at least a part of the interposer; a plating pad surrounding at least a part of the hole; and an insulation region surrounding at least a part of the plating pad.

12. The electronic device of claim 1 , wherein the via comprises: an inner via configured to transfer an electrical signal; a plating pad surrounding at least a part of the inner via; and an insulation region surrounding at least a part of the plating pad.

13. The electronic device of claim 1 , wherein the interposer comprises: a ground region surrounding at least a part of the via; a first keep-out region formed on a first side of the ground region and having no interconnect therein; and a second keep-out region formed on a second side of the ground region and having no interconnect therein.

14. The electronic device of claim 13 , wherein the ground region of the interposer and a plating pad of the via are integrally connected to each other.

15. The electronic device of claim 13 , wherein at least a part of an outside or an inside of the ground region of the interposer is removed.

16. The electronic device of claim 15 , wherein the plating member is provided in a region where the part of the ground region is removed and configured to cover at least a partial surface of the interposer, and wherein the plating member is integrally connected to the via or the ground region.

17. The electronic device of claim 12 , wherein the inner via and the plating pad are formed in another region on the interposer, and are integrally connected to each other.

18. An electronic device comprising: a first circuit board having a first connection terminal formed thereon; a first electronic component connected to the first connection terminal and disposed on the first circuit board; an interposer having a via formed therein and having a first surface attached to the first circuit board, the interposer at least partly surrounding at least a partial region of the first circuit board and a first end portion of the via being electrically connected to the first connection terminal; a second circuit board having a second connection terminal formed thereon and attached to a second surface of the interposer that is opposite to the first surface, the second connection terminal being electrically connected to a second end portion of the via and the second circuit board forming an inner space together with the first circuit board and the interposer; a second electronic component connected to the second connection terminal and disposed on the second circuit board; and an antenna electrically connected to the second electronic component, wherein the interposer further has a plating member, wherein the plating member is formed on an upper surface, a side surface, and a lower surface of the interposer, wherein the plating member and the via are connected to each other, wherein the interposer comprises at least two plating members and a plurality of vias, wherein a first of the at least two plating members is connected to a first via of the plurality of vias and a second of the at least two plating members is connected to a second via of the plurality of vias, and wherein each of the at least two plating members comprise a ‘ ’ shape.

19. The electronic device of claim 18 , wherein a third connection terminal electrically connected to the second connection terminal is formed on an upper portion of the second circuit board.

20. The electronic device of claim 19 , further comprising: a third circuit board having a fourth connection terminal formed thereon and a fifth connection terminal formed thereon and electrically connected to the fourth connection terminal, wherein the fifth connection terminal is electrically connected to the antenna.

21. The electronic device of claim 20 , further comprising a connector electrically connecting between the third connection terminal and the fourth connection terminal.

22. An electronic device comprising: a first circuit board having a first connection terminal formed thereon; a first electronic component connected to the first connection terminal and disposed on the first circuit board; an interposer having a plating member and a via formed on a side surface thereof and having a first surface attached to the first circuit board, the interposer at least partly surrounding at least a partial region of the first circuit board and a first end portion of the via being electrically connected to the first connection terminal; a second circuit board having a second connection terminal formed thereon and attached to a second surface of the interposer that is opposite to the first surface, the second connection terminal being electrically connected to a second end portion of the via and the second circuit board forming an inner space together with the first circuit board and the interposer; a second electronic component connected to the second connection terminal and disposed on the second circuit board; and an antenna electrically connected to the second electronic component, wherein the plating member is formed on an upper surface, a side surface, and a lower surface of the interposer, wherein the plating member and the via are connected to each other, wherein the interposer comprises at least two plating members and a plurality of vias wherein a first of the at least two plating members is connected to a first via of the plurality of vias and a second of the at least two plating members is connected to a second via of the plurality of vias, and wherein each of the at least two plating members comprise a ‘ ’ shape.

23. The electronic device of claim 22 , wherein a third connection terminal electrically connected to the second connection terminal is formed on an upper portion of the second circuit board.

24. The electronic device of claim 23 , further comprising: a third circuit board having a fourth connection terminal formed thereon and a fifth connection terminal formed thereon and electrically connected to the fourth connection terminal, wherein the fifth connection terminal is electrically connected to the antenna.

25. The electronic device of claim 24 , further comprising a connector electrically connecting between the third connection terminal and the fourth connection terminal.